Efficient power distribution network frame for power distribution network planning

Abstract

The utility model relates to a high-efficiency power distribution network frame for power distribution network planning, which comprises a power distribution pillar and a positioning frame structure, and is technically characterized in that the positioning frame structure consists of a left positioning unit and a right positioning unit which are symmetrically arranged; each positioning unit comprises a positioning hoop, a radial supporting arm, a threading box, a front lower roll shaft, a middle upper roll shaft and a rear lower roll shaft, the front lower roll shaft, the middle upper roll shaft and the rear lower roll shaft are arranged in the threading box, the middle upper roll shaft is fixed in the middle of the threading box and provided with a middle upper sliding sleeve, and front longitudinal adjusting grooves corresponding to the front lower roll shaft are formed in the front portions of the left side wall and the right side wall of the threading box respectively; the rear portions of the left side wall and the right side wall of the threading box are respectively provided with a rear longitudinal adjusting groove corresponding to the rear lower roller shaft, a front longitudinal elastic supporting body is arranged between the front lower roller shaft and the top face of the threading box, a rear longitudinal elastic supporting body is arranged between the rear lower roller shaft and the top face of the threading box, and the front lower roller shaft and the rear lower roller shaft are sleeved with a front lower sliding sleeve and a rear lower sliding sleeve. According to the net rack, the activity allowance of the cables is further increased, the installation is convenient, the anti-pulling capability is further improved, and the service life is prolonged.

Description

Technical Field

[0001] This utility model relates to the field of power distribution network planning technology, and specifically to a high-efficiency power distribution network structure for power distribution network planning. Background Technology

[0002] The power distribution network system includes the transmission network, distribution substations, distribution lines, and power terminals, and is used to transmit electricity from power stations or substations to users after processing such as voltage and current conversion.

[0003] Distribution network frames are used to support power distribution lines to reach their target locations, and their structural optimization is particularly important for the layout and usage of these lines. CN 222276338 U discloses a high-efficiency distribution network frame for distribution network planning. It includes a utility pole with a protective frame on its outer side. A longitudinal pivot shaft is rotatably connected to one side of the protective frame's interior, and a second longitudinal pivot shaft is rotatably connected to the other side. Boxes are located at the front and rear ends of the protective frame. A transverse pivot shaft is rotatably connected to one side of each box's interior, and a third transverse pivot shaft is rotatably connected to the bottom of each box. A fixing plate is located on the top of each box, and a screw is fixedly connected to one side of the top. This distribution network frame aims to arrange the power lines in a V-shape within the boxes using the first, second, and third transverse pivot shafts. This increases the flexibility of the power lines during periods of strong wind, preventing them from being pulled, extending their lifespan, and reducing maintenance costs. However, the following problems exist: 1. Horizontal pivot one, horizontal pivot two, and horizontal pivot three can rotate relative to the box, but cannot have horizontal or vertical displacement. Therefore, the increased wire movement margin is very small and still needs improvement; 2. The fixing ring at the top of the utility pole is a non-adjustable structure. On the one hand, it is only suitable for one type of utility pole, and on the other hand, it is prone to loosening after long-term use. Utility Model Content

[0004] The purpose of this utility model is to provide a high-efficiency power distribution frame for power distribution network planning that has a reasonable structure and reliable use, which solves the above problems, further increases the mobility of cables, facilitates installation, and further extends the tensile strength and service life.

[0005] The technical solution of this utility model is:

[0006] A high-efficiency power distribution network frame for power distribution network planning includes a power distribution support post and a positioning frame structure located on top of the power distribution support post. The key technical features are: the positioning frame structure consists of two symmetrically arranged left and right positioning units. Each positioning unit includes a positioning hoop, a radial support arm connected to the outer side of the positioning hoop, a cable tray located at the end of the radial support arm, and a front lower roller, a middle upper roller, and a rear lower roller arranged from front to back within the cable tray. The middle upper roller is fixed to the center of the cable tray and has a middle upper sliding sleeve. The front of the left and right side walls of the cable tray has front longitudinal adjustment grooves corresponding to the front lower roller, and the rear of the left and right side walls of the cable tray has rear longitudinal adjustment grooves corresponding to the rear lower roller. A front longitudinal elastic support is provided between the front lower roller and the top surface of the cable tray, and a rear longitudinal elastic support is provided between the rear lower roller and the top surface of the cable tray. A front lower sliding sleeve is fitted onto the front lower roller, and a rear lower sliding sleeve is fitted onto the rear lower roller.

[0007] The aforementioned high-efficiency distribution network frame for distribution network planning has two positioning units whose positioning hoops have opposite edges and are fixed by bolt pairs. The tip of the bolt pair passes through one positioning hoop, is fitted with a spring, and then passes through the other positioning hoop. The combination nut is then rotated, and the anti-loosening performance is enhanced after the spring is fitted.

[0008] The aforementioned high-efficiency power distribution network frame for power distribution network planning includes two front longitudinal elastic supports, symmetrically arranged above the left and right sections of the front lower roller shaft. The front sliding sleeve is located between the two front longitudinal elastic supports, and the top surface of the cable box has a corresponding slot at the upper end of the front longitudinal elastic support. Similarly, there are two rear longitudinal elastic supports, symmetrically arranged above the left and right sections of the rear lower roller shaft. The rear sliding sleeve is located between the two rear longitudinal elastic supports, and the top surface of the cable box has a corresponding slot at the upper end of the rear longitudinal elastic support.

[0009] In the aforementioned high-efficiency power distribution network frame for power distribution network planning, baffles are fixed at both ends of the front lower roller shaft and the rear lower roller shaft, and the baffles are located outside the junction box and are attached to the outer wall of the junction box.

[0010] The beneficial effects of this utility model are:

[0011] 1. When subjected to external force, the cable will push the front and rear lower rollers to overcome the supporting force of the front and rear longitudinal elastic supports and move upward, which extends the cable's outward movement, i.e. the allowance for movement. On the one hand, this extends the cable's tensile strength under external force, and on the other hand, it facilitates the installation and operation of the power distribution cable.

[0012] 2. The positioning hoops of the two positioning units are connected and fixed by bolt pairs and springs. The power distribution post is clamped and fixed by the retractable support force of the springs. The above-mentioned adjustable fixing structure is suitable for various specifications of utility poles and ensures that it will not loosen even after long-term use, with high positioning stability. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 yes Figure 1 Top view;

[0015] Figure 3 This is a cross-sectional view of the wiring box of this utility model along the wiring direction;

[0016] Figure 4 yes Figure 1 The right view.

[0017] In the diagram: 1. Front longitudinal elastic support, 2. Middle and upper sliding sleeve, 3. Power distribution cable, 4. Junction box, 5. Radial support arm, 6. Power distribution support post, 7. Positioning clamp, 8. Front longitudinal adjustment groove, 9. Front lower sliding sleeve, 10. Front lower roller shaft, 11. Combination nut, 12. Spring, 13. Screw, 14. Baffle, 15. Rear longitudinal elastic support, 16. Middle and upper roller shaft, 17. Rear lower roller shaft, 18. Rear lower sliding sleeve, 19. Rear longitudinal adjustment groove. Detailed Implementation

[0018] The present invention will be described in detail with reference to the accompanying drawings.

[0019] like Figures 1-4 As shown, the efficient power distribution network frame for power distribution network planning includes a power distribution support 6 and a positioning frame structure located on top of the power distribution support 6.

[0020] The positioning frame structure consists of two symmetrically arranged positioning units, left and right.

[0021] Each positioning unit includes a positioning hoop 7, a radial support arm 5 connected to the outer side of the positioning hoop 7, a threading box 4 located at the end of the radial support arm 5, and a front lower roller shaft 10, a middle upper roller shaft 16, and a rear lower roller shaft 17 arranged from front to back in the threading box 4. The middle upper roller shaft 16 is fixed to the middle of the threading box 4 and has a middle upper sliding sleeve 2 on it. The left and right side walls of the threading box 4 are respectively provided with front longitudinal adjustment grooves 8 corresponding to the front lower roller shaft 10, and the left and right side walls of the threading box 4 are respectively provided with rear longitudinal adjustment grooves 19 corresponding to the rear lower roller shaft 17. A front longitudinal elastic support 1 is provided between the front lower roller shaft 10 and the top surface of the threading box 4, and a rear longitudinal elastic support 15 is provided between the rear lower roller shaft 17 and the top surface of the threading box 4. A front lower sliding sleeve 9 is fitted on the front lower roller shaft 10, and a rear lower sliding sleeve 18 is fitted on the rear lower roller shaft 17.

[0022] In this embodiment, there are two front longitudinal elastic supports 1, symmetrically arranged above the left and right sections of the front lower roller shaft 10. The front sliding sleeve 9 is located between the two front longitudinal elastic supports 1, and the top surface of the threading box 4 is provided with a groove corresponding to the upper end of the front longitudinal elastic support 1. There are two rear longitudinal elastic supports 15, symmetrically arranged above the left and right sections of the rear lower roller shaft 17. The rear sliding sleeve 18 is located between the two rear longitudinal elastic supports 15, and the top surface of the threading box 4 is provided with a groove corresponding to the upper end of the rear longitudinal elastic support 15. Baffles 14 are fixed to both ends of the front lower roller shaft 10 and the rear lower roller shaft 17, and the baffles 14 are located outside the threading box 4 and are attached to the outer wall of the threading box 4.

[0023] In this embodiment, the edges of the positioning hoops 7 of the two positioning units are opposite to each other and are fixed by bolt pairs. The tip of the screw 13 of the bolt pair passes through one positioning hoop 7 and is fitted with a spring 12 before passing through the other positioning hoop 7. Then, the combination nut 11 is rotated and the spring 12 is fitted to enhance the anti-loosening performance.

[0024] Working principle:

[0025] In use, the end of the power distribution cable 3 passes through the lower part of the front sliding sleeve 9, the upper part of the middle upper sliding sleeve 2 and the lower part of the rear sliding sleeve 18 in sequence before being led out of the junction box 4. The power distribution support 6 is clamped and fixed by two positioning clamps 7 to fix the positioning structure to the top of the power distribution support 6.

[0026] When subjected to external pulling force, the power distribution cable 3 pushes the front lower roller 10 and the rear lower roller 17 upwards, overcoming the supporting force of the front longitudinal elastic support 1 and the rear longitudinal elastic support 15, thereby extending the outward movement of the power distribution cable 3 to counteract and alleviate the pulling force. When the external force disappears, the elastic force of the front longitudinal elastic support 1 and the rear longitudinal elastic support 15 pushes the front lower roller 10 and the rear lower roller 17 downwards to reset, restoring the original support state.

[0027] The embodiments of this utility model have been described in detail above, but the content described is only a preferred embodiment of this utility model and should not be considered as limiting the scope of implementation of this utility model. All equivalent changes and improvements made within the scope of this utility model should still fall within the scope of this patent.

Claims

1. A high efficient power distribution network frame for power distribution network planning, comprising a power distribution pillar, a positioning frame structure arranged at the top of the power distribution pillar, characterized in that: The positioning frame structure is composed of symmetrically arranged left and right positioning units, each of which comprises a positioning hoop, a radial support arm connected to the outer side of the positioning hoop, a threading box arranged at the end of the radial support arm, a front lower roller shaft, a middle upper roller shaft and a rear lower roller shaft arranged in the threading box from front to back, the middle upper roller shaft is fixed in the middle of the threading box and a middle upper sliding sleeve is arranged on the middle upper roller shaft, the front part of the left and right side walls of the threading box is respectively provided with a front longitudinal adjusting groove corresponding to the front lower roller shaft, the rear part of the left and right side walls of the threading box is respectively provided with a rear longitudinal adjusting groove corresponding to the rear lower roller shaft, a front longitudinal elastic support body is arranged between the front lower roller shaft and the top surface of the threading box, a rear longitudinal elastic support body is arranged between the rear lower roller shaft and the top surface of the threading box, a front lower sliding sleeve is sleeved on the front lower roller shaft, and a rear lower sliding sleeve is sleeved on the rear lower roller shaft.

2. The efficient power grid skeleton for power grid planning of claim 1, wherein: The edges of the positioning hoops of the two positioning units are opposite and are fixedly connected by a bolt pair, the screw tip of the bolt pair penetrates one positioning hoop, is sleeved with a spring and then penetrates the other positioning hoop, and then a combined nut is rotated.

3. The efficient power grid skeleton for power grid planning of claim 1, wherein: The number of the front longitudinal elastic support bodies is two, which are symmetrically arranged above the left and right two sections of the front lower roller shaft, the front lower sliding sleeve is located between the two front longitudinal elastic support bodies, and the top surface of the threading box is provided with a clamping groove corresponding to the upper end of the front longitudinal elastic support body; the number of the rear longitudinal elastic support bodies is two, which are symmetrically arranged above the left and right two sections of the rear lower roller shaft, the rear lower sliding sleeve is located between the two rear longitudinal elastic support bodies, and the top surface of the threading box is provided with a clamping groove corresponding to the upper end of the rear longitudinal elastic support body.

4. The efficient power grid skeleton for power grid planning of claim 1, wherein: The two ends of the front lower roller shaft and the rear lower roller shaft are respectively fixed with a baffle, and the baffle is located outside the threading box and is attached to the outer side wall of the threading box.

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